SM490YB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM490YB

Location » Home » Grades > Special Alloy > SM490YB

CNS SM490YB

Profile

This page is mainly introduced the SM490YB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM490YB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SM490YB
  • Steel Garde:SM490YB
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 129~984 σb/MPa
Yield Strength 740 σ 0.2 ≥/MPa
Elongation 72 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 241~974 -
HRC 30 -

Physical Properties

Thermal expansion 66-43 e-6/K
Thermal conductivity 39-20 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3501-4408 째C
Density 2556-7450 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
SM490YB Special Alloy Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

Hot keywords:SM490YB
Previous: SM490YA
Next: SM520YB